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Claude Opus 4.6 vs GPT-4o

Head to head on 15 shared benchmarks, with price, context window, and release dates.

Benchmark scores

57

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Model
Claude Opus 4.6

Anthropic

67.0%40.7%84.0%19.1%44.6%78.8%78.2%63.3%83.3%68.5%45.7%75.6%76.0%48.5%84.8%----99.7956.1%1.5--2.0871.0%-1223elo1804elo77.7-84.9%8877158-69.9%89.3%88.7%--78.5%48.2%-86.7%-93-50.0%51.6%-44.572.0%-80.6-57.6%-66.5%
GPT-4o

OpenAI

45.9%0.3%54.3%2.4%34.3%55.1%46.1%70.1%49.0%57.4%33.3%21.6%74.5%8.3%25.1%18.2%15.0%6.0%38---0.0%0.33--6.1%---96.1---0.0%---30.9%75.9%--10.8%-74.8%-54.0%--5.71--61.2-0.98-32.5%33.4%
2 / 2 models
AttributeClaude Opus 4.6

Anthropic

GPT-4o

OpenAI

DescriptionClaude Opus 4.6 is an AI model from Anthropic.GPT-4o is an AI model from OpenAI.
FamilyClaudeGPT
Params--
Open weightsclosedclosed
Licenseproprietaryproprietary
Released5 Feb 202620 Nov 2024
Context1,000,000128,000
Input $/1M$5.00$2.50
Output $/1M$25.00$10.00
Cache read $/1M$0.500$1.250
Cache write $/1M$6.250-
Speed0 tok/s0 tok/s
Latency0.00 s0.00 s
Modalitiestext, image, filetext, image, file
Providers--
PublisherAnthropicOpenAI
Reported scores
Taubench61.2 pass^1
GSM8K96.1 Accuracy
ScholarSearch5.71 Social Sciences & Humanities (%)
AIME202438 pass@1

FAQ

Is Claude Opus 4.6 or GPT-4o better?
Across the 15 benchmarks both models report on Sophon, Claude Opus 4.6 leads on 14 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do Claude Opus 4.6 and GPT-4o compare on GPQA Diamond?
Claude Opus 4.6 scores 84.0% and GPT-4o scores 54.3% on GPQA Diamond.
Which is cheaper, Claude Opus 4.6 or GPT-4o?
GPT-4o is cheaper at $10.00 per million output tokens against $25.00 for Claude Opus 4.6 - about 2.5x.
When were Claude Opus 4.6 and GPT-4o released?
Claude Opus 4.6 was released 5 Feb 2026 by Anthropic. GPT-4o was released 20 Nov 2024 by OpenAI.

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